package cn.stylefeng.guns.modular.util;

import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.audio.mp3.MP3AudioHeader;
import org.jaudiotagger.audio.mp3.MP3File;

import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import java.io.File;
import java.net.URL;

public class AudioUtil {

    /**
     * 获取音频文件时长
     *
     * @param wavFilePath wav文件路径，支持本地和网络HTTP路径
     * @return 时长/微秒，可 /1000000D 得到秒
     * @throws Exception
     */
    public static long getMicrosecondLengthForWav(String wavFilePath) throws Exception {

        if (wavFilePath == null || wavFilePath.length() == 0) {
            return 0;
        }
        String bath = wavFilePath.split(":")[0];
        Clip clip = AudioSystem.getClip();
        AudioInputStream ais;
        if ("http".equals(bath.toLowerCase())||"https".equals(bath.toLowerCase())) {
            ais = AudioSystem.getAudioInputStream(new URL(wavFilePath));
        } else {
            ais = AudioSystem.getAudioInputStream(new File(wavFilePath));
        }
        clip.open(ais);
        long microsecondLength = clip.getMicrosecondLength();
        System.out.println(microsecondLength);
        return microsecondLength;
    }


    /**
     * 获取音频文件时长
     *
     * @param filePath mp3文件路径，支持本地和网络HTTP路径
     * @return 时长/微秒，可 /1000000D 得到秒
     * @throws Exception
     */
    public static long getMp3MicrosecondLengthForWav(String filePath) throws Exception {
        File file = new File(filePath);
        MP3File read = (MP3File)AudioFileIO.read(file);
        MP3AudioHeader audioHeader = (MP3AudioHeader)read.getAudioHeader();
        System.out.println(audioHeader.getTrackLengthAsString());
        return 0L;
    }



    public static void main(String[] args) throws Exception {
        getMp3MicrosecondLengthForWav("C:\\Users\\liuyao\\Desktop\\video\\6.mp3");
    }
}
